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题名: Eutrophication strengthens the response of zooplankton to temperature changes in a high-altitude lake
作者: Li, Yun1, 2; Xie, Ping1, 2; Zhao, Dandan1, 2; Zhu, Tianshun2; Guo, Longgen2; Zhang, Jing1, 2
关键词: Cyanobacterial blooms ; detrended correspondence analysis ; eutrophication ; path analysis ; temperature ; zooplankton
刊名: ECOLOGY AND EVOLUTION
发表日期: 2016-09-01
DOI: 10.1002/ece3.2308
卷: 6, 期:18, 页:6690-6701
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology ; Evolutionary Biology
研究领域[WOS]: Environmental Sciences & Ecology ; Evolutionary Biology
英文摘要: To assess whether and how zooplankton communities respond to variations in temperature and how these assemblages change with eutrophication, we performed a large-scale, monthly survey from August 2011 to July 2012 to determine the seasonal and spatial variations in these communities in a high-altitude lake. A detrended correspondence analysis and a path analysis demonstrated that temperature and chlorophyll a were important factors influencing zooplankton. The path diagram showed that Daphnia was negatively affected directly by chlorophyll a and indirectly by temperature, whereas Bosmina was directly and positively affected by temperature. Daphnia spp. decreased in both absolute and relative biomass during warm seasons, whereas Bosmina spp. showed the opposite trend. Moreover, the lowest Daphnia spp. biomass was observed in the southern region, which was the most eutrophic. Our results indicate that increasing temperatures will continue to shift the dominant genus from Daphnia to Bosmina, and this change will be exacerbated by eutrophication. In addition, the zooplankton of Lake Erhai have shifted to smaller species over time as temperature and eutrophication have increased, which implies that zooplankton succession to small cladocerans may be markedly accelerated under further climate change and the increased eutrophication that has been observed in recent decades.
关键词[WOS]: FRESH-WATER ; COMMUNITY STRUCTURE ; BODY-SIZE ; PHYTOPLANKTON ; GROWTH ; CLADOCERANS ; DYNAMICS ; DAPHNIA ; BLOOMS ; CYANOBACTERIA
语种: 英语
项目资助者: National High Technology Research and Development Program of China(2012ZX07105-004)
WOS记录号: WOS:000384527200022
ISSN号: 2045-7758
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/28392
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Hubei, Peoples R China
2.Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
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